Fallout 3 (and New Vegas) are set in a bleak, post-apocalyptic world, where mankind lies despondent after a devastating atomic holocaust. Fantasy it may be, but it's based on real science; question is, just how real is it?

Futirist and TV personality Dr. Michio Kaku explains in this short clip for Spike which, whackjob political predictions aside, gives us all a pretty good primer on just why everyone in the Fallout universe is so damn miserable.